QS 18-3 Cost behavior estimation-high-low method LO P1 The following information is available for a company's maintenance cost over the last seven months Units Produced 100 Month June July August September October November December 190 110 140 200 230 Maintenance cost $ 5,250 7.850 5.540 6,41e 8.15 9.02e 3,800 Using the high-low method, estimate both the fixed and variable components of its maintenance cost High Low method - Calculation of variable cost per maintenance hour Total cost at the high point Variable costs at the high point Volume at the high point Variable cost per unit produced Total variable costs at the high point Total fred costs Total cost at the low point Variable costs at the low point Volume at the low point Variable cost per unit produced Total variable costs at the low point Total fixed costs